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Differential D143515 Diff 495581 llvm/include/llvm/CodeGen/AsmPrinter.h

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llvm/include/llvm/CodeGen/AsmPrinter.h

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/// Emit an alignment directive to the specified power of two boundary. If a		/// Emit an alignment directive to the specified power of two boundary. If a
/// global value is specified, and if that global has an explicit alignment		/// global value is specified, and if that global has an explicit alignment
/// requested, it will override the alignment request if required for		/// requested, it will override the alignment request if required for
/// correctness.		/// correctness.
void emitAlignment(Align Alignment, const GlobalObject *GV = nullptr,		void emitAlignment(Align Alignment, const GlobalObject *GV = nullptr,
unsigned MaxBytesToEmit = 0) const;		unsigned MaxBytesToEmit = 0) const;

		/// Constant-fold Constant as neened to allow it to be emitted into assembly.
		/// By default, this calls ConstantFoldConstant(), which should be sufficient,
		/// but this hook is provided to allow targets to define additional constant
		/// folding rules that cannot be defined in `lowerConstant`. For example,
		/// on AMDGPU, casting the null pointer to addrspace(7) yields a 128-bit
		/// null descriptor that can't fit into MCExpr.
		virtual Constant constantFoldForPrint(const Constant CV);

/// Lower the specified LLVM Constant to an MCExpr.		/// Lower the specified LLVM Constant to an MCExpr.
virtual const MCExpr lowerConstant(const Constant CV);		virtual const MCExpr lowerConstant(const Constant CV);

/// Print a general LLVM constant to the .s file.		/// Print a general LLVM constant to the .s file.
/// On AIX, when an alias refers to a sub-element of a global variable, the		/// On AIX, when an alias refers to a sub-element of a global variable, the
/// label of that alias needs to be emitted before the corresponding element.		/// label of that alias needs to be emitted before the corresponding element.
using AliasMapTy = DenseMap<uint64_t, SmallVector<const GlobalAlias *, 1>>;		using AliasMapTy = DenseMap<uint64_t, SmallVector<const GlobalAlias *, 1>>;
void emitGlobalConstant(const DataLayout &DL, const Constant *CV,		void emitGlobalConstant(const DataLayout &DL, const Constant *CV,
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